Michael Royer is a senior engineer at the Pacific Northwest National Laboratory (PNNL), where he works on the solid-state lighting program. Michael is a member of the Illuminating Engineering Society’s (IES) Color and Technical Procedures Committees, and was chair of the IES Color Metrics Task Group. He is also active with CIE. Prior to joining PNNL, Michael earned a Ph.D. in Architectural Engineering from Penn State University, receiving the 2013 Taylor Technical Talent Award from the IES for his published work. Michael was named a future leader of lighting by LD+A magazine in 2010, and has authored over 50 journal articles and government reports. He served as a Guest Editor for a special edition of LEUKOS focused on color rendition.

Lorne WhiteheadProfessor, University of British Columbia

Lorne Whitehead is a professor of physics, and special advisor on innovation, entrepreneurship and research at the University of British Columbia. His disciplinary research focuses on optics, lighting and vision. He is a fellow of the Optical Society of America, the Illuminating Engineering Society and the National Academy of Inventors, and serves on the board of administration of the International Commission on Illumination in Vienna. He holds 130 US patents that find application in computer screens, televisions and lighting products. He has launched several spin-off companies and licensed existing organizations. He has served in the university leadership positions of associate dean, dean pro tem, provost, and leader of education innovation.

LEARNING OBJECTIVES

1. Review changes and new features of ANS/IES TM-30-18 and CIE 224:2017.

2. Introduce the Metameric Uncertainty Index, Rt, and its applications in architectural lighting.

3. Participate in a discussion about possible future work of the IES Color Committee, such as an IES Recommended Practice publication for IES TM-30.